correct readme, add lisence

README.md

@@ -5,7 +5,7 @@ Treat a directory as a template. File paths and contents support conditionals (`
 ## Install
 
 ```sh
-bun install tdir zod
+bun add @gregorlohaus/tdir zod
 ```
 
 ## Quick start

package.json

@@ -1,6 +1,7 @@
 {
   "name": "@gregorlohaus/tdir",
   "version": "0.1.0",
+  "license": "MIT",
   "type": "module",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",